Re: [Ceph-community] Pool broke after increase pg_num

[Ashley Merrick <singapore@xxxxxxxxxxxxxx>]

Are you sure the down OSD didn't happen to have any data required for the re-balance to complete? How long has the down now removed OSD been out? Before or after your increased PG count?

If you do "ceph health detail" and then pick a stuck PG what does "ceph pg PG query" output?

Has your ceph -s output changed at all since the last paste?

On Fri, Nov 9, 2018 at 12:08 AM Gesiel Galvão Bernardes <gesiel.bernardes@xxxxxxxxx> wrote:

Em qui, 8 de nov de 2018 às 10:00, Joao Eduardo Luis <joao@xxxxxxx> escreveu:

Hello Gesiel,

Welcome to Ceph!

In the future, you may want to address the ceph-users list
(`ceph-users@xxxxxxxxxxxxxx`) for this sort of issues.

Thank you, I will do.

On 11/08/2018 11:18 AM, Gesiel Galvão Bernardes wrote:
> Hi everyone,
>
> I am a beginner in Ceph. I made a increase of pg_num in a pool, and
> after  the cluster rebalance I increased pgp_num (a confission: I not
> had read the complete documentation about this operation :-(  ). Then
> after this my cluster broken, and stoped all. The cluster not rebalance,
> and my impression is that are all stopped. 
>
> Below is my "ceph -s". Can anyone help-me?

You have two osds down. Depending on how your data is mapped, your pgs
may be waiting for those to come back up before they finish being
cleaned up.

 

 After removed OSD downs, it is tried rebalance, but is "frozen" again, in this status:

  cluster:

    id:     ab5dcb0c-480d-419c-bcb8-013cbcce5c4d

    health: HEALTH_WARN

            12840/988707 objects misplaced (1.299%)

            Reduced data availability: 358 pgs inactive, 325 pgs peering

 

  services:

    mon: 3 daemons, quorum cmonitor,thanos,cmonitor2

    mgr: thanos(active), standbys: cmonitor

    osd: 17 osds: 17 up, 17 in; 221 remapped pgs

 

  data:

    pools:   1 pools, 1024 pgs

    objects: 329.6 k objects, 1.3 TiB

    usage:   3.8 TiB used, 7.4 TiB / 11 TiB avail

    pgs:     1.660% pgs unknown

             33.301% pgs not active

             12840/988707 objects misplaced (1.299%)

             666 active+clean

             188 remapped+peering

             137 peering

             17  unknown

             16  activating+remapped

 

Any other idea?

Gesiel

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